Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Lagrange point
|
gptkbp:advantageForAstronomy |
stable thermal environment
continuous view away from Sun and Earth |
gptkbp:alsoKnownAs |
gptkb:L2
|
gptkbp:category |
gptkb:astrodynamics
celestial mechanics |
gptkbp:discoveredBy |
gptkb:Joseph-Louis_Lagrange
|
gptkbp:discoveredIn |
1772
|
gptkbp:distanceFromEarth |
about 1.5 million kilometers
lies beyond Earth, on the line defined by the Sun and Earth about 151.5 million kilometers |
https://www.w3.org/2000/01/rdf-schema#label |
Earth-Sun L2
|
gptkbp:locatedIn |
gptkb:Earth-Sun_system
|
gptkbp:numberOfLagrangePointsInSystem |
5
|
gptkbp:orbitType |
about 1 year (same as Earth)
|
gptkbp:requiresStationKeeping |
true
|
gptkbp:stable |
metastable
|
gptkbp:usedBy |
gptkb:Gaia_spacecraft
gptkb:Planck_spacecraft gptkb:Herschel_Space_Observatory gptkb:James_Webb_Space_Telescope |
gptkbp:bfsParent |
gptkb:Lagrange_point
|
gptkbp:bfsLayer |
5
|